考虑到三相电压或多或少有些不平衡，提出了一种新的基于正序基波电压合成相量的发电机并网条件核算法。
Considering the imbalance of three phase voltages, a new arithmetic which verifies the generator paralleling based on the synthetic phasor of positive sequence fundamental voltage is proposed.
采用固相烧结法合成了不同镧掺杂量的PZN - PZ t压电陶瓷和粉体。
The La-doped PZN-PZT ceramics and their powders were fabricated using solid state sintered technology.
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